EP4018656A4 - Verfahren und kodierer zur linearen modellvorhersage - Google Patents

Verfahren und kodierer zur linearen modellvorhersage Download PDF

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Publication number
EP4018656A4
EP4018656A4 EP20853661.5A EP20853661A EP4018656A4 EP 4018656 A4 EP4018656 A4 EP 4018656A4 EP 20853661 A EP20853661 A EP 20853661A EP 4018656 A4 EP4018656 A4 EP 4018656A4
Authority
EP
European Patent Office
Prior art keywords
encoder
prediction process
linear pattern
pattern prediction
linear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20853661.5A
Other languages
English (en)
French (fr)
Other versions
EP4018656A1 (de
Inventor
Feiyang ZENG
Dong JIANG
Jucai LIN
Jun Yin
Cheng Fang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dahua Technology Co Ltd
Original Assignee
Zhejiang Dahua Technology Co Ltd
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Publication date
Application filed by Zhejiang Dahua Technology Co Ltd filed Critical Zhejiang Dahua Technology Co Ltd
Publication of EP4018656A1 publication Critical patent/EP4018656A1/de
Publication of EP4018656A4 publication Critical patent/EP4018656A4/de
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20853661.5A 2019-08-21 2020-08-20 Verfahren und kodierer zur linearen modellvorhersage Pending EP4018656A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910775848.4A CN110446044B (zh) 2019-08-21 2019-08-21 线性模型预测方法、装置、编码器及存储装置
PCT/CN2020/110309 WO2021032171A1 (en) 2019-08-21 2020-08-20 Linear model prediction method and coder

Publications (2)

Publication Number Publication Date
EP4018656A1 EP4018656A1 (de) 2022-06-29
EP4018656A4 true EP4018656A4 (de) 2022-11-23

Family

ID=68437029

Family Applications (1)

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EP20853661.5A Pending EP4018656A4 (de) 2019-08-21 2020-08-20 Verfahren und kodierer zur linearen modellvorhersage

Country Status (4)

Country Link
US (1) US12301831B2 (de)
EP (1) EP4018656A4 (de)
CN (1) CN110446044B (de)
WO (1) WO2021032171A1 (de)

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CN110446044B (zh) * 2019-08-21 2022-08-09 浙江大华技术股份有限公司 线性模型预测方法、装置、编码器及存储装置
CN111031319B (zh) * 2019-12-13 2022-04-19 浙江大华技术股份有限公司 一种局部光照补偿预测方法、终端设备及计算机存储介质
CN111050168B (zh) * 2019-12-27 2021-07-13 浙江大华技术股份有限公司 仿射预测方法及其相关装置
WO2021129627A1 (en) 2019-12-27 2021-07-01 Zhejiang Dahua Technology Co., Ltd. Affine prediction method and related devices
US11523112B2 (en) 2020-04-09 2022-12-06 Tencent America LLC Intra coding with L-type partitioning tree
CN112640391B (zh) * 2020-11-16 2021-10-22 华为技术有限公司 一种摄像头标识方法、认证方法、系统及终端
CN113660490A (zh) * 2021-06-24 2021-11-16 浙江大华技术股份有限公司 编码单元的划分方法、编码方法、电子装置及存储介质
US12101488B2 (en) * 2021-10-05 2024-09-24 Tencent America LLC Subblock cross component linear model prediction
WO2023071778A1 (en) * 2021-10-29 2023-05-04 Mediatek Singapore Pte. Ltd. Signaling cross component linear model
US12470697B2 (en) 2021-12-21 2025-11-11 Interdigital Ce Patent Holdings, Sas Local illumination compensation with multiple linear models
CN114900691B (zh) * 2022-07-14 2022-10-28 浙江大华技术股份有限公司 编码方法、编码器及计算机可读存储介质
EP4717030A1 (de) * 2023-07-04 2026-04-01 Google LLC Zusammenführungsbasierte komponentenübergreifende vorhersage und interprädiktion mit filterung
WO2026090046A1 (en) * 2024-10-24 2026-04-30 Dolby Laboratories Licensing Corporation Cross-component convolutional modeling in video coding

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WO2019147910A1 (en) * 2018-01-26 2019-08-01 Interdigital Vc Holdings, Inc. Method and apparatus for video encoding and decoding based on a linear model responsive to neighboring samples

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CN103369315B (zh) * 2012-04-06 2016-08-24 华为技术有限公司 色度分量的帧内预测模式的编码、解码方法、设备及系统
CN103517069B (zh) * 2013-09-25 2016-10-26 北京航空航天大学 一种基于纹理分析的hevc帧内预测快速模式选择方法
WO2017206803A1 (en) * 2016-05-28 2017-12-07 Mediatek Inc. Method and apparatus of current picture referencing for video coding
KR102445668B1 (ko) * 2016-06-01 2022-09-21 삼성전자주식회사 부호화 순서 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
EP3503553A4 (de) * 2016-09-22 2020-07-29 LG Electronics Inc. -1- Verfahren und vorrichtung zur auf beleuchtungskompensierung basierenden interprädiktion in einem bildcodierungssystem
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See also references of WO2021032171A1 *

Also Published As

Publication number Publication date
US20220217358A1 (en) 2022-07-07
US12301831B2 (en) 2025-05-13
CN110446044A (zh) 2019-11-12
EP4018656A1 (de) 2022-06-29
WO2021032171A1 (en) 2021-02-25
CN110446044B (zh) 2022-08-09

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